白粉藤 bai fen teng

Cissus cordata Roxburgh; C. glauca Roxburgh; C. repens var. sinensis Handel-Mazzetti; Vitis repens (Lamarck) Wight & Arnott.

Vines, herbaceous. Branchlets terete, with longitudinal ridges, usually glaucous, glabrous; tendrils bifurcate. Leaves simple; stipules brownish, oblong, 5-6 × 2-3 mm, membranous, glabrous; petiole 2.5-7 cm, glabrous; leaf blade cordate-oval, 5-13 × 4-9 cm, glabrous, basal veins 3-5, lateral veins 3 or 4 pairs, veinlets inconspicuous, base cordate, margin with 9-12 sharp teeth on each side, apex acute or acuminate. Inflorescence umbelliform, terminal or leaf-opposed; peduncle 1-3 cm, glabrous. Pedicel 2-4 mm, nearly glabrous. Buds oval, ca. 4 mm, apex obtuse. Calyx entire or undulate. Petals triangular-ovate, ca. 3 mm, glabrous. Anthers ovoid-elliptic. Lower part of ovary adnate to disk; style conical; stigma slightly expanded. Berry 0.8-1.2 cm × 4-8 mm, 1-seeded. Seed surface smooth, with sparse ribs. Fl. Jul-Oct, fr. Nov-May of following year. 2n = 22, 24.

Forests in valleys, shrublands on hillsides; 100-1800 m. Guangdong, Guangxi, Guizhou, Taiwan, Yunnan [Bhutan, Cambodia, India, Laos, Malaysia, Nepal, Philippines, Thailand, Vietnam; Australia].